Extendable step for a sink cabinet



FIG. 1 is a top view shown in a closed configuration for an extendable step for a sink cabinet showing my new design;

FIG. 2 is a right side view shown in closed configuration thereof;

FIG. 3 is a front view shown in closed configuration thereof;

FIG. 4 is a left side view shown in closed configuration thereof;

FIG. 5 is a bottom view shown in closed configuration thereof;

FIG. 6 is a back view shown in closed configuration thereof;

FIG. 7 is an isometric view shown in closed configuration thereof;

FIG. 8 is a top view shown in open configuration thereof;

FIG. 9 is a right side view shown in open configuration thereof;

FIG. 10 is a front view shown in open configuration thereof;

FIG. 11 is a left side view shown in open configuration thereof;

FIG. 12 is a bottom view shown in open configuration thereof;

FIG. 13 is a back view shown in open configuration thereof; and,

FIG. 14 is an isometric view shown in open configuration thereof.

The broken lines shown in FIGS. 5, 7, 8, 12 and FIG. 14 are representing environment and forming no part of the claimed design. 

The ornamental design for an extendable step for a sink cabinet, as shown and described. 